Switch from pip venv to uv

bin/mc-hepc-init

@@ -1,9 +1,10 @@
-#!/usr/bin/env python3
+#!/usr/bin/env -S uv run python
 
 import json
 import hashlib
 import yaml
 import sys
+import os
 from plumbum import cli, local
 from plumbum.cmd import find, mkdir, cp, rm, mktemp, unzip, date, env
 

bin/mc-hepc-serve

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env -S uv run python
 import logging
 from pathlib import Path
 from plumbum import cli